<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

</body>
</html>
<script !src="">
    function f(a,b) {
        console.log(a+b)
    }
    function f1(a,b) {
        return a+b
    }
    var s= f(5,55)
    console.log(s)
</script>